Twelve percent of the population is left handed. Approximate the probability that there are at least 20

Question:

Twelve percent of the population is left handed. Approximate the probability that there are at least 20 left-handers in a school of 200 students. State your assumptions.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

A First Course In Probability

ISBN: 9789332519077

9th Edition

Authors: Sheldon Ross

See More Books

Question Posted: Oct 22, 2015 02:54 AM

See More Questions

It is commonly known that approximately 10% of the population is left handed. Nike Golf would like to estimate the proportion of left handed golfers in order to plan the schedule of golf club...
About 13% of the population is left-handed. If two people are randomly selected, what is the probability that both are left-handed? What is the probability that at least one is right-handed?
A manufacturer of game controllers is concerned that their controller may be difficult for left-handed users. They set out to find lefties to test. About 13 % of the population is left-handed. If...
Using the 526 observations on workers in a certain dataset, we include educ (years of education), exper (years of labor market experience) and tenure (years with the current employer) in regression...
A breakdown of the sources of energy used in the United States is shown below. Choose one energy source at random. Find the probability that it is a. Not oil 0.61 b. Natural gas or oil 0.63 c....
How many people had high exposure to PM? Air pollution is a serious problem in many places. One form of air pollution that is suspected to cause respiratory illness is particulate matter (PM), which...
What is the difference between a multinational enterprise (MNE) and a small and medium-sized enterprise (SME)? L01
The scene is a conference room on the 10th floor of an office building on Wall Street, occupied by Anthes Enterprises, a small, rapidly growing manufacturer of electronic trading systems for...
Sandy Bank, Inc., makes one model of wooden canoe. Partial information is given below. Required: 1. Complete the following table. 2. Suppose Sandy Bank sells its canoes for $500 each. Calculate the...
Fauver Enterprises declared a 3-for-1 stock split last year, and this year its dividend is $1.50 per share. This total dividend payout represents a 6% increase over last year's pre-split total...
In 10,000 independent tosses of a coin, the coin landed on heads 5800 times. Is it reasonable to assume that the coin is not fair? Explain.
A model for the movement of a stock supposes that if the present price of the stock is s, then, after one period, it will be either us with probability p or ds with probability 1 p. Assuming that...
Read Don Hummer's "Serious Criminality at U. S. College and Universities: An Application of the Situational Perspective" (2004) via Library Electronic Reserves. Please assess the validity of the...
Determine the magnitude of the magnetic flux through the south-facing window of a house in British Columbia, where Earth's B field has a magnitude of 5.8 x 10-5T and the direction of B field is 72...
A wedge with an inclination of angle rests next to a wall. A block of mass m is sliding down the plane, as shown. There is no friction between the wedge and the block or between the wedge and the...
Conner Leonard worked for Purges Manufacturing for 32 years. Along with four other men, he helped to start the company that designed and built products sold around the world. Purges Manufacturing...
Reconsider the collision between two objects diagrammed below where two objects move on a frictionless surface. Before collision After collision Experiment 1 A, 1 B A B Draw complete and properly...
3. Now the bomb arrives. Please catch fx,y(x, y) = = cx cx - dy, where 0 < x < 1, 0 y x. 13 a) Please find coefficients c, d such that cd= 8 b) Please find fx(x) and fy (y). Are X and Y independent?...
Explain what HR management is and how it relates to the management process.
Why is homeostasis defined as the "relative constancy of the internal environments? Does negative feedback or positive feedback tend to promote homeostasis?
Which of the following is common to all four certifications discussed in the chapter? a. They are globally recognized. b. They require professional experience. c. Both of the above. d. None of the...
An automobile dealership records the number of cars sold each day. The data are used in calculating the following probability distribution of daily sales: XP(x) 0 .....0.1 1 .....0.1 2 .....0.2 3...
A computer laboratory in a school has 33 computers. Each of the 33 computers has 90% reliability. Allowing for 10% of the computers to be down, an instructor specifies an enrollment ceiling of 30 for...
A commercial jet aircraft has four engines. For an aircraft in flight to land safely, at least two engines should be in working condition. Each engine has an independent reliability of p = 92%. a....
If the auditor believes that the financial statements prepared on the basis of the entity's income tax are not adequately titled, the auditor should : A)Issue a resignation of opinion. B)Explain the...
initial stock offering to the public. This REIT specializes in the acquisition and management of warehouses. Your firm, Blue Street Advisors, is an investment management company that is considering...
Question 3 You have been hired to run a pension fund for Mackay Inc, a small manufacturing firm. The firm currently has Gh5 million in the fund and expects to have cash inflows of $2 million a year...

Twelve percent of the population is left handed. Approximate the probability that there are at least 20

Question:

Step by Step Answer:

Let X equal the number of lefthanders Assuming that X is ...View the full answer

A First Course In Probability

Students also viewed these Statistics questions